Extension 1:
https://chromewebstore.google.com/detail/dream-style-photo-ai/fljlehippmdnclfjakjjlhcimkhhjcjp
Extension 2:
https://chromewebstore.google.com/detail/aiarthub-dalle-stablediff/dcjnjphelnoddnldhdmlnilfjnjpbnol

In Google slides™, Stable Diffusion Ai Slides™  add-on provides input prompts to generate pictures; upload pictures or picture url to generate similar pictures. You can set parameters of the generated pictures, such as size, random seed. Change the seed to get different output results. It uses the latest AI, including:
stable diffusion AI model, 
stable diffusion img-to-img AI model. 
stable diffusion promptist AI model (Fine-tune the model of gpt2),

The new version is very fast!
And filter NSFW content!